1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "mono_picture_asset.h"
#include "mono_picture_asset_writer.h"
#include "AS_DCP.h"
#include "KM_fileio.h"
#include "exceptions.h"
#include "mono_picture_frame.h"
using std::string;
using std::vector;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using boost::lexical_cast;
using namespace dcp;
MonoPictureAsset::MonoPictureAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name)
: PictureAsset (directory, mxf_name)
{
}
void
MonoPictureAsset::read ()
{
ASDCP::JP2K::MXFReader reader;
Kumu::Result_t r = reader.OpenRead (path().string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r));
}
ASDCP::JP2K::PictureDescriptor desc;
if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
boost::throw_exception (DCPReadError ("could not read video MXF information"));
}
_size.width = desc.StoredWidth;
_size.height = desc.StoredHeight;
_edit_rate = desc.EditRate.Numerator;
assert (desc.EditRate.Denominator == 1);
_intrinsic_duration = desc.ContainerDuration;
}
boost::filesystem::path
MonoPictureAsset::path_from_list (int f, vector<boost::filesystem::path> const & files) const
{
return files[f];
}
shared_ptr<const MonoPictureFrame>
MonoPictureAsset::get_frame (int n) const
{
return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (path(), n, _decryption_context));
}
bool
MonoPictureAsset::equals (shared_ptr<const ContentAsset> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
{
if (!MXFAsset::equals (other, opt, note)) {
return false;
}
ASDCP::JP2K::MXFReader reader_A;
Kumu::Result_t r = reader_A.OpenRead (path().string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r));
}
ASDCP::JP2K::MXFReader reader_B;
r = reader_B.OpenRead (other->path().string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r));
}
ASDCP::JP2K::PictureDescriptor desc_A;
if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
boost::throw_exception (DCPReadError ("could not read video MXF information"));
}
ASDCP::JP2K::PictureDescriptor desc_B;
if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
boost::throw_exception (DCPReadError ("could not read video MXF information"));
}
if (!descriptor_equals (desc_A, desc_B, note)) {
return false;
}
shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
assert (other_picture);
for (int i = 0; i < _intrinsic_duration; ++i) {
if (i >= other_picture->intrinsic_duration()) {
return false;
}
note (PROGRESS, "Comparing video frame " + lexical_cast<string> (i) + " of " + lexical_cast<string> (_intrinsic_duration));
shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
if (!frame_buffer_equals (
i, opt, note,
frame_A->j2k_data(), frame_A->j2k_size(),
frame_B->j2k_data(), frame_B->j2k_size()
)) {
return false;
}
}
return true;
}
shared_ptr<PictureAssetWriter>
MonoPictureAsset::start_write (bool overwrite)
{
/* XXX: can't we use shared_ptr here? */
return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this, overwrite));
}
string
MonoPictureAsset::cpl_node_name () const
{
return "MainPicture";
}
int
MonoPictureAsset::edit_rate_factor () const
{
return 1;
}
|
